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Solid-state drive
Computer storage device with no moving parts / From Wikipedia, the free encyclopedia
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"SSD" and "Electronic disk" redirect here. For other uses, see SSD (disambiguation) and Electronic disk (disambiguation).
A solid-state drive (SSD) is a solid-state storage device. It provides persistent data storage using no moving parts. It is sometimes called semiconductor storage device or solid-state device. It is also called solid-state disk because it is frequently interfaced to a host system in the same manner as a hard disk drive (HDD).[1][2]
Quick Facts Usage of flash memory, Introduced by: ...
![]() A 2.5-inch Serial ATA solid-state drive | |
Usage of flash memory | |
---|---|
Introduced by: | SanDisk |
Introduction date: | 1991; 33 years ago (1991) |
Capacity: | 20 MB (2.5-in form factor) |
Original concept | |
By: | Storage Technology Corporation |
Conceived: | 1978; 46 years ago (1978) |
Capacity: | 45 MB |
As of 2024[update] | |
Capacity: | Up to 200 TB[citation needed] |
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An SSD is often used as secondary storage to provide relatively fast, persistent, direct-attached storage in a computer.[3]